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. 2013 Jun 6;14:177. doi: 10.1186/1471-2105-14-177

Table 1.

Power (%) of seven methods to detect association of rare variants under seven scenarios for underlying genetic architecture using data simulated for BRCA1 in 2000 cases and 2000 controls

 
 
Threshold for significance
 
 
P < 0.001
P < 0.01
P < 0.05
Scenario* Proportion of variants associated RAML SKAT-O T1 T5 WST VTT EREC RAML SKAT-O T1 T5 WST VTT EREC RAML SKAT-O T1 T5 WST VTT EREC
1
0.05
5.0
4.5
3.0
2.5
2.0
3.0
3.0
15.0
11.0
10.0
7.5
8.0
7.0
10.0
30.0
29.0
22.5
18.5
20.5
19.5
26.0
2
0.05
5.0
6.5
1.5
2.0
1.0
1.5
3.0
11.5
11.5
4.5
6.0
5.5
9.0
8.0
28.0
21.5
14.5
10.5
13.5
17.0
16.0
3
0.05
7.5
5.0
2.5
0.5
1.5
1.5
4.0
13.5
11.0
7.0
6.0
7.0
7.0
8.0
25.5
26.0
16.0
19.5
17.0
17.5
22.5
4
0.05
7.0
4.0
2.0
1.0
1.0
1.0
2.5
14.0
12.5
5.0
3.5
5.0
4.5
8.0
26.0
23.5
12.5
12.0
9.5
10.0
21.0
5
0.05
6.5
5.0
2.0
2.0
1.5
2.0
3.5
14.5
9.5
5.0
2.5
3.5
5.5
6.5
27.5
18.0
11.5
8.0
10.0
13.5
14.5
6
0.05
9.0
4.5
1.0
0.5
0.5
1.0
3.5
16.0
11.0
5.0
4.0
3.0
3.0
8.5
26.0
20.5
12.5
10.5
11.0
10.5
18.5
7
0.05
8.5
5.0
1.0
1.5
0.5
1.5
4.0
16.0
8.0
3.0
4.0
3.5
4.0
7.5
24.5
21.5
8.0
8.5
6.5
10.0
16.5
1
0.10
7.5
6.0
6.0
2.0
5.0
4.5
5.5
14.5
16.0
11.0
8.0
10.0
11.0
15.0
30.0
30.0
24.5
21.5
20.0
20.5
25.0
2
0.10
2.5
3.5
1.5
2.0
1.5
0.5
1.5
8.5
8.5
6.0
5.5
7.0
6.5
10.5
26.0
24.0
19.5
17.5
17.5
17.5
20.5
3
0.10
4.5
5.0
3.0
2.5
3.0
1.5
3.5
10.5
8.5
7.0
4.5
5.5
7.5
8.5
22.0
19.5
15.0
11.5
14.0
15.5
18.5
4
0.10
3.5
3.0
2.0
2.0
1.5
1.5
2.5
9.5
10.5
6.0
3.0
4.5
3.5
7.5
22.0
18.5
13.5
13.0
13.0
12.5
17.5
5
0.10
4.0
4.5
3.0
1.0
1.5
3.0
2.5
10.5
9.0
5.5
3.0
5.0
5.5
9.0
23.0
21.0
13.0
11.5
14.0
14.5
22.0
6
0.10
2.5
3.5
1.5
1.0
1.5
1.0
1.5
9.0
9.0
5.0
2.5
5.5
3.5
5.5
21.0
18.0
10.0
9.0
9.0
11.0
16.5
7
0.10
4.0
3.0
1.0
1.0
0.5
2.0
3.5
11.0
10.5
2.5
5.0
3.0
3.0
7.5
25.5
20.0
11.5
11.5
12.0
12.5
17.0
1
0.20
6.5
7.5
7.5
4.0
5.5
4.5
7.5
23.5
27.5
23.5
18.5
24.5
20.5
25.5
40.0
44.5
44.0
40.0
44.5
39.0
43.5
2
0.20
4.0
6.5
4.5
2.0
4.5
4.0
4.5
14.0
12.5
14.0
7.0
10.0
9.5
12.5
23.0
26.5
23.5
16.5
22.5
23.0
24.0
3
0.20
5.0
6.0
5.5
3.5
5.0
5.5
5.0
14.5
17.0
15.0
12.5
16.5
13.0
17.0
27.5
36.5
31.0
28.5
34.0
30.0
35.5
4
0.20
2.5
3.0
1.5
1.5
1.5
1.0
2.0
7.5
10.5
5.0
6.5
5.5
5.0
8.0
18.5
21.5
16.0
14.0
16.5
17.0
18.5
5
0.20
4.5
5.0
1.0
1.0
1.5
1.0
2.5
10.5
9.0
7.0
4.0
4.5
6.0
8.0
24.0
25.5
17.5
13.5
15.0
14.5
20.5
6
0.20
0.5
1.0
0.0
0.0
0.5
0.0
0.5
6.5
6.5
3.5
2.5
2.0
1.5
4.5
17.0
20.0
10.0
12.0
11.0
8.5
18.5
7 0.20 3.0 3.5 0.5 0.5 1.0 0.5 0.5 9.0 9.5 3.0 4.0 2.5 3.5 6.5 23.5 21.5 12.0 9.5 12.0 12.0 17.5

Method with greatest power emboldened.

* See text for description of genetic architecture for each scenario.

RAML Rare admixture maximum likelihood, SKAT-O sequence kernel association test, T1fixed threshold test 1 per cent MAF, T5 fixed threshold test 5 per cent MAF, WST weighted sum test, VTT variable threshold test, EREC estimated regression coefficient test.